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What is the difference between partitioning and bucketing a table in Hive ?
I know both is performed on a column in the table but how is each operation different.
8 Answers
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Check if object value exists within a Javascript array of objects and if not add a new object to arr
...'ve assumed that ids are meant to be unique here. some is a great function for checking the existence of things in arrays:
const arr = [{ id: 1, username: 'fred' }, { id: 2, username: 'bill' }, { id: 3, username: 'ted' }];
function add(arr, name) {
const { length } = arr;
const id = le...
Reset auto increment counter in postgres
I would like to force the auto increment field of a table to some value, I tried with this:
12 Answers
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Handling colon in element ID with jQuery
...ght be "foo:bar:baz" and thus fail.
//You would first have to look for ":" in the id string, then replace it
var jEle = $(document.getElementById(id)); //forget about the fact
//that the id string might contain ':', this always works
}
//just to give an idea that the ...
Duplicate ID, tag null, or parent id with another fragment for com.google.android.gms.maps.MapFragme
...ys desirable.
After lots of trial and error, I found a solution that works for me:
private static View view;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
if (view != null) {
ViewGroup parent = (ViewGroup) view.getParent()...
Actionbar notification count icon (badge) like Google has
... it is what I need.
Please tell me if you know what is need to be changed for better performance or quality. In my case, I have a button.
Custom item on my menu - main.xml
<item
android:id="@+id/badge"
android:actionLayout="@layout/feed_update_count"
android:icon="@drawable/shape_n...
python pandas dataframe to dictionary
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See the docs for to_dict. You can use it like this:
df.set_index('id').to_dict()
And if you have only one column, to avoid the column name is also a level in the dict (actually, in this case you use the Series.to_dict()):
df.set_index...
How to add url parameters to Django template url tag?
...rl(r'^panel/person/(?P<person_id>[0-9]+)$', 'apps.panel.views.person_form', name='panel_person_form'),
So you use this in your template:
{% url 'panel_person_form' person_id=item.id %}
If you have more than one param, you can change your regex and modify the template using the following:
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SQL Server 2008: How to query all databases sizes?
...ek Smith - size column is in pages. The size of one page is 8kB, hence the formula SizeInMb = PagesCount * 8 / 1024. I always believed 1MB = 1024kB. I don't think that even Microsoft has enough power to change this :).
– Alex Aza
Sep 20 '13 at 20:01
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What is SYSNAME data type in SQL Server?
What is the SQL Server SYSNAME data type for? BOL says:
8 Answers
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